changes since BETA6:
#1064452 patch by dasjo: added a entity_property_verbatim_date_get callback for dates.
#1065540 patch by rszrama: fixed typo in access callback docs.
fixed the wrapper classes to correctly make use of machine names for identifying entities if available.
improved the wrappers to only throw exceptions for missing data values if a property value is to be retrieved.
#1047704 patch by nedjo: add entity API as dependency when generating features.
#1005532 Support different use-cases of options list and added label() helper method to the wrapper classes.
entity_property_values_create_entity() fails if entity keys are set to FALSE.
added the missing argument to setter callbacks for properties
fixed the statusKey property of the entity class to be protected.
#1031382 allow marking properties as translatable.
#1046270 patch by me and klausi: fixed some user property permission checks.
#1041240 patch by pcambra, rszrama: fixed the property table query callback to use efq properly.
#1047032 patch by nedjo: Imports fail for entity types without custom entity class--is_new flag not set
#1032910 Using entity tokens may cause entity wrapper exceptions
Do not export the providing module name.
improved the wrappers to be able to deal with generic entity references, including a test.
allow making use of the special data type 'entity' in hook_entity_property_info() to describe a generic entity reference.
removed a deprecated comment
fixed the wrapper to properly detect not savable entity types.
improved the property method getter/setter to work with camelcase names
#965860 provide some basic views integration for entity types provided via the CRUD api.
#1001666 Unsupported operand types if a field type is missing.
fixed default URI and label callback implementations for the Entity class.
added validation callback to the property info generated for entity ids.
added a comment to features export render
admin UI: make sure the status of a cloned exportable is custom
fixed warnings when cloning an entity in the provided admin UI.
#1019368 Unable to offsetUnset multiple times from the same ListWrapper
#894906 fixed field API attachers to be invoked if a bundle name is changed.
added a hasStatus() method to the Entity class
fixed a docu-pointer in the entity API docs